A recursive function is defined by f(n)=f(n−1)+2n+1f(n) = f(n-1) + 2n + 1f(n)=f(n−1)+2n+1 for n≥1n \ge 1n≥1, with f(0)=1f(0) = 1f(0)=1. What is the value of f(2)f(2)f(2)?
9
11
8
10